- Rigid chassis
- WhichTractor size: Standard-size
- No lab test on file
- 1953–1959
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
BOLINDER-MUNKTELL BM-55 specs: hp, weight, years
BOLINDER-MUNKTELL 1054 four-cylinder diesel. The manufacturer claimed 56.2 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
56.2 hp
41.9 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 7,145 lb
- 3-point lift
- 5,291 lb
- Hyd. flow
- 7.1 gpm
- Top speed
- 18.6 mph
BOLINDER-MUNKTELL BM-55 specs: key facts
The BOLINDER-MUNKTELL BM-55 was built from 1953 to 1959.
The BOLINDER-MUNKTELL BM-55 has a claimed engine power (gross or net not stated) of 41.9 kW (56.2 hp); it has no measured PTO figure.
The BOLINDER-MUNKTELL BM-55 is two-wheel drive (2WD).
The BOLINDER-MUNKTELL BM-55 has a BOLINDER-MUNKTELL 1054 engine, a 4-cylinder 4.48 L diesel unit.
The BOLINDER-MUNKTELL BM-55 weighs 3,241 kg (7,145 lb) unladen.
The BOLINDER-MUNKTELL BM-55 has a rear PTO running at 540 rpm.
The three-point hitch of the BOLINDER-MUNKTELL BM-55 lifts 2,400 kg (5,291 lb) at the lower-link ends.
The hydraulic pump of the BOLINDER-MUNKTELL BM-55 delivers 26.8 L/min (7.1 gpm).
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
How does the BM-55 compare with its class?
- Strength:
A maximum engine torque of 265 N·m is high for its class — 35% above the median of 196 N·m across the 272 machines within 10% of its power that hold this figure.
- Limitation:
Five forward gears is low for its class — 50% below the median of 10 across the 337 machines within 10% of its power that hold this figure.
- Strength:
A 110 L fuel tank is high for its class — 57% above the median of 70 L across the 324 machines within 10% of its power that hold this figure.
- Worth knowing:
An unladen mass of 3,241 kg is high for its class — 28% above the median of 2,540 kg across the 341 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 341 comparable records. How we work this out
How much horsepower does a BM-55 have?
The only figure for the BM-55 is 56.2 hp (41.9 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
What engine is in a BM-55?
A BM-55 has a BOLINDER-MUNKTELL 1054, a 4-cylinder 4.48 L diesel engine.
| Make & model | BOLINDER-MUNKTELL 1054 |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 273.6 ci · 4.48 L |
| Max torque | 195 lb·ft · 265 N·m @ 1,100 rpm |
| Injection | Direct injection |
| Electrical system | 12 V |
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
How much will a BM-55 lift, and what is its hydraulic flow?
A BM-55 lifts 5,291 lb (2,400 kg) at the lower-link ends.
| Pump flow | 7.1 gpm · 26.8 L/min |
|---|---|
| Pressure | 1,276 psi · 88 bar |
| Lift at ends | 5,291 lb · 2,400 kg |
| Rear PTO | transmission-driven, 540 rpm @ 1,500 engine rpm |
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
What transmission does a BM-55 have?
Transmission specifications for the BM-55 are below.
| Clutch | Pedal-operated dry single-plate clutch |
|---|---|
| Steering | Mechanical steering |
| Top speed | 18.6 mph · 30 km/h |
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
How much does a BM-55 weigh?
A BM-55 weighs 7,145 lb (3,241 kg) unladen.
| Unladen weight | 7,145 lb · 3,241 kg |
|---|---|
| Wheelbase | 85.6 in · 2,175 mm |
| Length | 135.8 in · 3,450 mm |
| Width | 74.8 in · 1,900 mm |
| Height | 94.5 in · 2,400 mm |
| Ground clearance | 16.9 in · 430 mm |
| Front track | 52.4 in · 1,330 mm |
| Rear track | 59.4 in · 1,510 mm |
Source · Traktorenlexikon, “Bolinder-Munktell BM 55”
What oil does a BM-55 take, and how much?
A BM-55 engine takes 12.7 qt (12.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 12.7 qt · 12.0 LSource: Traktorenlexikon, “Bolinder-Munktell BM 55” · single source, not independently verified |
| Transmission | 58.1 qt · 55.0 LSource: Traktorenlexikon, “Bolinder-Munktell BM 55” · single source, not independently verified |
| Cooling system | 9.5 qt · 9.0 LSource: Traktorenlexikon, “Bolinder-Munktell BM 55” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a BM-55?
Within 10% of its 38.5 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.
- Volvo T-5538.5 hp PTO, claimed · 1953–1959Side by side with the BM-55 →
- SOMECA DA-50L38 hp PTO, claimed · 1955–1957Side by side with the BM-55 →
- John Deere 51038.6 hp PTO, claimed · 1964–1969Side by side with the BM-55 →
- J.I. Case 54038.3 hp PTO, claimed · 1960–1969Side by side with the BM-55 →
- J.I. Case 54138.3 hp PTO, claimed · 1960–1969Side by side with the BM-55 →
- SOMECA DA-5039.0 hp PTO, claimed · 1952–1955Side by side with the BM-55 →
Common questions about the BOLINDER-MUNKTELL BM-55
Is a BM-55 two-wheel drive or four-wheel drive?
The BOLINDER-MUNKTELL BM-55 is two-wheel drive (2WD).
What PTO does a BM-55 have?
A BM-55 has a 540 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “Bolinder-Munktell BM 55”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Bolinder-Munktell BM 55 — CC BY-SA 4.0, WIKIBOOKS-TL-116161 · revision 1001557. Wikibooks contributors (Traktorenlexikon). Original document